/SPARTAN/trunk/arch/ppc/src/asm.s |
---|
26,6 → 26,8 |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/macro.h> |
.text |
.global cpu_halt |
/SPARTAN/trunk/arch/ppc/src/mm/memory_init.c |
---|
0,0 → 1,61 |
/* |
* Copyright (C) 2005 Martin Decky |
* All rights reserved. |
* |
* Redistribution and use in source and binary forms, with or without |
* modification, are permitted provided that the following conditions |
* are met: |
* |
* - Redistributions of source code must retain the above copyright |
* notice, this list of conditions and the following disclaimer. |
* - Redistributions in binary form must reproduce the above copyright |
* notice, this list of conditions and the following disclaimer in the |
* documentation and/or other materials provided with the distribution. |
* - The name of the author may not be used to endorse or promote products |
* derived from this software without specific prior written permission. |
* |
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
*/ |
#include <arch/mm/memory_init.h> |
#include <arch/drivers/ofw.h> |
#include <panic.h> |
#define MEMMAP_MAX_RECORDS 32 |
typedef struct { |
__u32 start; |
__u32 size; |
} memmap_t; |
size_t get_memory_size(void) |
{ |
phandle handle = ofw_find_device("/memory"); |
if (handle == -1) |
panic("No RAM\n"); |
memmap_t memmap[MEMMAP_MAX_RECORDS]; |
size_t ret = ofw_get_property(handle, "reg", &memmap, sizeof(memmap)); |
if (ret == -1) |
panic("Device /memory has no reg property\n"); |
size_t total; |
int i; |
for (i = 0; i < MEMMAP_MAX_RECORDS; i++) { |
if (memmap[i].size == 0) |
break; |
total += memmap[i].size; |
} |
return total; |
} |
/SPARTAN/trunk/arch/ppc/src/dummy.s |
---|
29,20 → 29,15 |
.text |
.global memcopy |
.global cpu_priority_high |
.global cpu_priority_low |
.global cpu_priority_read |
.global cpu_priority_restore |
.global memsetb |
.global context_save |
.global context_restore |
.global userspace |
.global before_thread_runs_arch |
.global panic_printf |
.global cpu_identify |
.global cpu_arch_init |
.global cpu_print_report |
.global get_memory_size |
.global arch_pre_mm_init |
.global arch_post_mm_init |
.global arch_late_init |
51,9 → 46,6 |
.global dummy |
memcopy: |
cpu_priority_high: |
cpu_priority_low: |
cpu_priority_restore: |
cpu_priority_read: |
memsetb: |
context_save: |
62,11 → 54,9 |
userspace: |
calibrate_delay_loop: |
asm_delay_loop: |
panic_printf: |
cpu_identify: |
cpu_arch_init: |
cpu_print_report: |
get_memory_size: |
arch_pre_mm_init: |
arch_post_mm_init: |
arch_late_init: |
/SPARTAN/trunk/arch/ppc/src/drivers/ofw.c |
---|
29,13 → 29,14 |
#include <arch/drivers/ofw.h> |
#include <stdarg.h> |
ihandle ofw_chosen; |
ihandle ofw_stdout; |
ofw_entry ofw; |
phandle ofw_chosen; |
ihandle ofw_stdout; |
void ofw_init(void) |
{ |
ofw_chosen = ofw_call("finddevice", 1, 1, "/chosen"); |
ofw_chosen = ofw_find_device("/chosen"); |
if (ofw_chosen == -1) |
ofw_done(); |
52,7 → 53,7 |
int ofw_call(const char *service, const int nargs, const int nret, ...) |
{ |
va_list list; |
struct ofw_args_t args; |
ofw_args_t args; |
int i; |
args.service = service; |
77,9 → 78,19 |
if (ofw_stdout == 0) |
return; |
ofw_call("write", 3, 1, ofw_stdout, ch, 1); |
ofw_call("write", 3, 1, ofw_stdout, &ch, 1); |
} |
phandle ofw_find_device(const char *name) |
{ |
return ofw_call("finddevice", 1, 1, name); |
} |
int ofw_get_property(const phandle device, const char *name, void *buf, const int buflen) |
{ |
return ofw_call("getprop", 4, 1, device, name, buf, buflen); |
} |
void putchar(const char ch) |
{ |
ofw_putchar(ch); |
/SPARTAN/trunk/arch/ppc/src/start.S |
---|
26,6 → 26,8 |
# THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
# |
#include <arch/asm/macro.h> |
.section K_TEXT_START |
.global kernel_image_start |